处理器
| 处理器频率 |
600 MHz |
| 图形适配器随机存取存储器数字/模拟转换器 |
400 MHz |
性能
| DirectX版本 |
10.1 |
| OpenGL版本 |
2.0 |
| 最高着色模型版本 |
4.1 |
| HDCP |
Y |
内存参数
| 数据宽度 |
64 bit |
| 内存时钟速度 |
800 MHz |
端口 & 界面
| TV输出 |
Y |
| 接口类型 |
PCI Express 2.0 |
HD 3450 512MB SCS 181 million transistors on 55nm fabrication process, 64-bit DDR2/GDDR3 memory interface
- 181 million transistors on 55nm fabrication process
- PCI Express 2.0 x16 bus interface
- 64-bit DDR2/GDDR3 memory interface
- Ring Bus Memory Controller
- Fully distributed design with 256-bit internal ring bus for memory reads and writes
- Microsoft DirectX 10.1 support
- Shader Model 4.1
- 32-bit floating point texture filtering
- Indexed cube map arrays
- Independent blend modes per render target
- Pixel coverage sample masking
- Read/write multi-sample surfaces with shaders
- Gather4 texture fetching
- Unified Superscalar Shader Architecture
- 40 stream processing units
- Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
- Common instruction set and texture unit access supported for all types of shaders
- Dedicated branch execution units and texture address processors
- 128-bit floating point precision for all operations
- Command processor for reduced CPU overhead
- Shader instruction and constant caches
- Up to 16 texture fetches per clock cycle
- Up to 128 textures per pixel
- Fully associative multi-level texture cache design
- DXTC and 3Dc+ texture compression
- High resolution texture support (up to 8192 x 8192)
- Fully associative texture & Z/stencil cache designs
- Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
- Lossless Z & stencil compression
- 8 render targets (MRTs) with anti-aliasing support
- Physics processing support
